4.0 Flowmaster? - Jeep Garage - Jeep Forum

Go Back   Jeep Garage - Jeep Forum > Jeep Platform Discussion > Grand Cherokee - WJ > Engine Performance/Intake/Exhaust

Join Jeep Garage Today
Reply
 
Thread Tools Display Modes
 
  #1  
Old 04-15-2014, 11:27 PM
Member
My Jeep: 2003 4.0L WJ
 
Join Date: Apr 2014
Location: Woodland CA
Posts: 6
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 1094
Codenomics is on a distinguished road
4.0 Flowmaster?

I have a Flowmaster 40 series laying in the basement. 2.5 in/out.
Was going to throw it on the 5.9l in my Durango but it is dead so was thinking about throwing it on the 03 Cherokee.
I know it at make me any hp or friends in the neighborhood lol but has anyone here done it? Will I lose hp or "performance"?
Or any other issues that could arise?

__________________
Using Tapatalk
Reply With Quote
Sponsored Links
Advertisement
 
  #2  
Old 04-17-2014, 11:22 AM
Gus9890's Avatar
Premium Member
My Jeep: 2001 4.0L WJ
 
Join Date: Apr 2011
Location: Northeast FL
Posts: 4,788
Thanks: 38
Thanked 74 Times in 73 Posts
Rep Power: 409364
Gus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond reputeGus9890 has a reputation beyond repute
Re: 4.0 Flowmaster?

I've heard of people running it, toss it on and see how you like it
__________________
2001 Silverstone Metallic WJ Limited
2005 Black Chevy Tahoe Z71 4x4
Reply With Quote
  #3  
Old 05-17-2014, 08:21 AM
hoffmanestates's Avatar
Senior Member
 
Join Date: Nov 2011
Posts: 1,267
Thanks: 59
Thanked 11 Times in 11 Posts
Rep Power: 3809
hoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond reputehoffmanestates has a reputation beyond repute
Re: 4.0 Flowmaster?

I6 sound funny to me with any muffler upgrade
Reply With Quote
  #4  
Old 06-03-2014, 07:50 AM
FlyinRyan's Avatar
Senior Member
My Jeep: 2002 4.7L WJ
 
Join Date: Jul 2009
Location: Fort Myers, Florida
Posts: 2,805
Thanks: 33
Thanked 33 Times in 32 Posts
Rep Power: 89551
FlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond reputeFlyinRyan has a reputation beyond repute
Send a message via AIM to FlyinRyan
Re: 4.0 Flowmaster?

Avoid, avoid, avoid.
__________________
Due to my workload, please do not PM me as I do not regularly check my PMs. Thank you :)
Reply With Quote
  #5  
Old 06-03-2014, 08:16 AM
Trav1s's Avatar
Member
My Jeep: 2004 4.7 HO WJ
 
Join Date: Apr 2012
Location: Cedar Rapids, IA
Posts: 961
Thanks: 56
Thanked 30 Times in 29 Posts
Rep Power: 2864
Trav1s has a reputation beyond reputeTrav1s has a reputation beyond reputeTrav1s has a reputation beyond reputeTrav1s has a reputation beyond reputeTrav1s has a reputation beyond reputeTrav1s has a reputation beyond repute
Garage
Re: 4.0 Flowmaster?

Drone drone drone
__________________
2004 Columbia Edition WJ 4.7 HO
RB4/Moog HD Steering Stabilizer/PML trans pan 10304/ Autometer trans temp and oil pressure gauge/UpCountry springs & OME 10MM Spacers/Bilstein shocks/Rubicon Moabs/255/65r17 Cooper Discoverer AT3/Factory chrome tow hooks/Mopar hitch & a loose nut behind the wheel
Reply With Quote
  #6  
Old 06-03-2014, 03:29 PM
Premium Member
My Jeep: 2014 5.7L WK2
 
Join Date: May 2013
Location: Colorado
Posts: 4,066
Thanks: 74
Thanked 283 Times in 250 Posts
Rep Power: 46429
lstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond reputelstowell has a reputation beyond repute
Re: 4.0 Flowmaster?

Quote:
Originally Posted by Trav1s View Post
Drone drone drone
It do get a tad more noisy with a Flowmaster--even one designed for the 4.0.

But, it is making more POWER, because any kid with cards in their spokes knows noise=power.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Lets talk flowmaster Relwarc Performance Modifications 39 04-18-2014 03:03 AM
Flowmaster Muffler Series Question!? Andrew Engine Performance/Intake/Exhaust 54 11-23-2011 03:20 PM
Flowmaster, what is the difference? Relwarc Performance Modifications 2 03-16-2010 05:47 PM
Im liking the sound of this Flowmaster. 05quadratrac Grand Cherokee - WK 1 03-05-2010 06:20 AM
Flowmaster 50 Series illegal? Andrew Performance Modifications 39 10-25-2009 03:14 PM

Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 01:46 AM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Copyright 2012 - JeepGarage.Org
The Jeep Grand Cherokee Owners Community

JeepGarage.org is in no way associated with or endorsed by FCA US LLC. Chrysler, Dodge, Jeep, Ram, Mopar and SRT are registered trademarks of FCA US LLC.